njrat | 880ab8d8c5c0c1f1de079c6e74400c41106beda935bd7eaad9addecd868e6000

General

Target

d9148d1fe12ddae97026b8b47d6b5788_JaffaCakes118.exe
Size

23KB
MD5

d9148d1fe12ddae97026b8b47d6b5788
SHA1

4c796f8d10628a12ac7947ab04754fbc16e613d6
SHA256

880ab8d8c5c0c1f1de079c6e74400c41106beda935bd7eaad9addecd868e6000
SHA512

8077f47678b5690bc4ba91c6f1eb3da6dddade7ec47e412c30145cebc6e30b8abbbec4606d27dd0e9069a2396363bdf8d40a083caa4682f6ba0dd37ae6bb6e90
SSDEEP

384:LY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZ98+w:0L2s+tRyRpcnurL

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1192	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	d9148d1fe12ddae97026b8b47d6b5788_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\04de9d8bb4c3f03c2c7f83c303b18ccc.exe	chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\04de9d8bb4c3f03c2c7f83c303b18ccc.exe	chrome.exe

Executes dropped EXE 1 IoCs

pid	Process
2712	chrome.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\04de9d8bb4c3f03c2c7f83c303b18ccc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\04de9d8bb4c3f03c2c7f83c303b18ccc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9148d1fe12ddae97026b8b47d6b5788_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chrome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe
Token: 33	2712	chrome.exe
Token: SeIncBasePriorityPrivilege	2712	chrome.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 2712	4936	d9148d1fe12ddae97026b8b47d6b5788_JaffaCakes118.exe	89
PID 4936 wrote to memory of 2712	4936	d9148d1fe12ddae97026b8b47d6b5788_JaffaCakes118.exe	89
PID 4936 wrote to memory of 2712	4936	d9148d1fe12ddae97026b8b47d6b5788_JaffaCakes118.exe	89
PID 2712 wrote to memory of 1192	2712	chrome.exe	93
PID 2712 wrote to memory of 1192	2712	chrome.exe	93
PID 2712 wrote to memory of 1192	2712	chrome.exe	93

C:\Users\Admin\AppData\Local\Temp\d9148d1fe12ddae97026b8b47d6b5788_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9148d1fe12ddae97026b8b47d6b5788_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Users\Admin\AppData\Local\Temp\chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\chrome.exe

Filesize
23KB

MD5
d9148d1fe12ddae97026b8b47d6b5788

SHA1
4c796f8d10628a12ac7947ab04754fbc16e613d6

SHA256
880ab8d8c5c0c1f1de079c6e74400c41106beda935bd7eaad9addecd868e6000

SHA512
8077f47678b5690bc4ba91c6f1eb3da6dddade7ec47e412c30145cebc6e30b8abbbec4606d27dd0e9069a2396363bdf8d40a083caa4682f6ba0dd37ae6bb6e90

Download Submit
memory/2712-15-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/2712-14-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/2712-12-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/2712-17-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/2712-18-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/4936-0-0x0000000074BE2000-0x0000000074BE3000-memory.dmp

Filesize
4KB

Download
memory/4936-1-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/4936-2-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download
memory/4936-13-0x0000000074BE0000-0x0000000075191000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads